./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:17:25,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:17:25,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:17:25,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:17:25,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:17:25,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:17:25,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:17:25,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:17:25,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:17:25,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:17:25,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:17:25,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:17:25,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:17:25,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:17:25,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:17:25,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:17:25,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:17:25,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:17:25,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:17:25,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:17:25,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:17:25,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:17:25,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:17:25,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:17:25,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:17:25,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:17:25,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:17:25,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:17:25,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:17:25,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:17:25,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:17:25,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:17:25,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:17:25,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:17:25,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:17:25,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:17:25,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:17:25,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:17:25,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:17:25,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:17:25,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:17:25,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:17:25,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:17:25,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:17:25,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:17:25,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:17:25,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:17:25,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:17:25,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:17:25,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:17:25,961 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:17:25,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:17:25,961 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:17:25,962 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:17:25,963 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:17:25,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:17:25,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:17:25,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:17:25,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:17:25,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:17:25,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:17:25,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:17:25,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:17:25,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:17:25,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:17:25,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:17:25,965 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 [2022-12-13 15:17:26,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:17:26,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:17:26,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:17:26,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:17:26,179 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:17:26,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2022-12-13 15:17:28,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:17:28,945 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:17:28,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2022-12-13 15:17:28,951 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/data/a83e07cb8/5b4d0ecae2ec4091bffbdfe4255b654d/FLAG759b17ccf [2022-12-13 15:17:28,964 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/data/a83e07cb8/5b4d0ecae2ec4091bffbdfe4255b654d [2022-12-13 15:17:28,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:17:28,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:17:28,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:17:28,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:17:28,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:17:28,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:17:28" (1/1) ... [2022-12-13 15:17:28,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5d8eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:28, skipping insertion in model container [2022-12-13 15:17:28,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:17:28" (1/1) ... [2022-12-13 15:17:28,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:17:29,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:17:29,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-13 15:17:29,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:17:29,189 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:17:29,226 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-13 15:17:29,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:17:29,245 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:17:29,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29 WrapperNode [2022-12-13 15:17:29,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:17:29,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:17:29,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:17:29,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:17:29,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,302 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 348 [2022-12-13 15:17:29,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:17:29,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:17:29,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:17:29,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:17:29,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:17:29,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:17:29,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:17:29,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:17:29,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (1/1) ... [2022-12-13 15:17:29,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:17:29,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:17:29,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:17:29,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:17:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:17:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 15:17:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 15:17:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 15:17:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 15:17:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 15:17:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 15:17:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:17:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:17:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:17:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:17:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:17:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:17:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:17:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:17:29,438 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:17:29,542 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:17:29,544 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:17:30,122 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:17:30,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:17:30,133 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 15:17:30,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:17:30 BoogieIcfgContainer [2022-12-13 15:17:30,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:17:30,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:17:30,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:17:30,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:17:30,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:17:28" (1/3) ... [2022-12-13 15:17:30,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f7aac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:17:30, skipping insertion in model container [2022-12-13 15:17:30,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:17:29" (2/3) ... [2022-12-13 15:17:30,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f7aac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:17:30, skipping insertion in model container [2022-12-13 15:17:30,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:17:30" (3/3) ... [2022-12-13 15:17:30,144 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2022-12-13 15:17:30,152 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:17:30,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:17:30,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-12-13 15:17:30,162 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:17:30,267 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 15:17:30,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 621 places, 644 transitions, 1312 flow [2022-12-13 15:17:30,466 INFO L130 PetriNetUnfolder]: 33/641 cut-off events. [2022-12-13 15:17:30,467 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:17:30,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 641 events. 33/641 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1329 event pairs, 0 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 364. Up to 3 conditions per place. [2022-12-13 15:17:30,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 621 places, 644 transitions, 1312 flow [2022-12-13 15:17:30,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 593 places, 613 transitions, 1244 flow [2022-12-13 15:17:30,484 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:17:30,492 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 593 places, 613 transitions, 1244 flow [2022-12-13 15:17:30,494 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 593 places, 613 transitions, 1244 flow [2022-12-13 15:17:30,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 593 places, 613 transitions, 1244 flow [2022-12-13 15:17:30,617 INFO L130 PetriNetUnfolder]: 30/613 cut-off events. [2022-12-13 15:17:30,617 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:17:30,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 613 events. 30/613 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1227 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 364. Up to 3 conditions per place. [2022-12-13 15:17:30,638 INFO L119 LiptonReduction]: Number of co-enabled transitions 35640 [2022-12-13 15:17:56,774 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 127 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:18:06,462 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:18:17,862 WARN L233 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:18:24,508 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:18:24,559 INFO L134 LiptonReduction]: Checked pairs total: 218839 [2022-12-13 15:18:24,559 INFO L136 LiptonReduction]: Total number of compositions: 704 [2022-12-13 15:18:24,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:18:24,578 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a28f10f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:18:24,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-12-13 15:18:24,580 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 15:18:24,580 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:18:24,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:24,580 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 15:18:24,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:24,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2319, now seen corresponding path program 1 times [2022-12-13 15:18:24,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:24,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945776806] [2022-12-13 15:18:24,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:24,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:24,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:24,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945776806] [2022-12-13 15:18:24,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945776806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:24,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:24,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 15:18:24,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861864441] [2022-12-13 15:18:24,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:24,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:18:24,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:24,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:18:24,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:18:24,687 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 1348 [2022-12-13 15:18:24,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 181 transitions, 380 flow. Second operand has 2 states, 2 states have (on average 622.5) internal successors, (1245), 2 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:24,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:24,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 1348 [2022-12-13 15:18:24,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:26,124 INFO L130 PetriNetUnfolder]: 7196/15522 cut-off events. [2022-12-13 15:18:26,125 INFO L131 PetriNetUnfolder]: For 462/462 co-relation queries the response was YES. [2022-12-13 15:18:26,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25503 conditions, 15522 events. 7196/15522 cut-off events. For 462/462 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 141697 event pairs, 5141 based on Foata normal form. 1140/13774 useless extension candidates. Maximal degree in co-relation 22939. Up to 9638 conditions per place. [2022-12-13 15:18:26,239 INFO L137 encePairwiseOnDemand]: 1285/1348 looper letters, 53 selfloop transitions, 0 changer transitions 1/118 dead transitions. [2022-12-13 15:18:26,239 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 118 transitions, 362 flow [2022-12-13 15:18:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:18:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 15:18:26,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1361 transitions. [2022-12-13 15:18:26,260 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5048219584569733 [2022-12-13 15:18:26,261 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1361 transitions. [2022-12-13 15:18:26,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1361 transitions. [2022-12-13 15:18:26,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:26,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1361 transitions. [2022-12-13 15:18:26,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 680.5) internal successors, (1361), 2 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:26,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1348.0) internal successors, (4044), 3 states have internal predecessors, (4044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:26,283 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1348.0) internal successors, (4044), 3 states have internal predecessors, (4044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:26,284 INFO L175 Difference]: Start difference. First operand has 176 places, 181 transitions, 380 flow. Second operand 2 states and 1361 transitions. [2022-12-13 15:18:26,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 118 transitions, 362 flow [2022-12-13 15:18:26,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 118 transitions, 350 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 15:18:26,293 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 239 flow [2022-12-13 15:18:26,295 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=239, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2022-12-13 15:18:26,299 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2022-12-13 15:18:26,299 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 239 flow [2022-12-13 15:18:26,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 622.5) internal successors, (1245), 2 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:26,301 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:26,301 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:26,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:18:26,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:26,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:26,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1470759488, now seen corresponding path program 1 times [2022-12-13 15:18:26,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:26,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374434635] [2022-12-13 15:18:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:26,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:26,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374434635] [2022-12-13 15:18:26,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374434635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:26,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:26,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:26,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781776765] [2022-12-13 15:18:26,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:26,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:26,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:26,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:26,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:26,438 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 1348 [2022-12-13 15:18:26,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:26,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:26,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 1348 [2022-12-13 15:18:26,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:27,423 INFO L130 PetriNetUnfolder]: 7196/15444 cut-off events. [2022-12-13 15:18:27,424 INFO L131 PetriNetUnfolder]: For 120/120 co-relation queries the response was YES. [2022-12-13 15:18:27,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25192 conditions, 15444 events. 7196/15444 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 140194 event pairs, 5141 based on Foata normal form. 0/12556 useless extension candidates. Maximal degree in co-relation 25189. Up to 9636 conditions per place. [2022-12-13 15:18:27,499 INFO L137 encePairwiseOnDemand]: 1345/1348 looper letters, 52 selfloop transitions, 1 changer transitions 0/115 dead transitions. [2022-12-13 15:18:27,500 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 115 transitions, 341 flow [2022-12-13 15:18:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2022-12-13 15:18:27,504 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4631552917903066 [2022-12-13 15:18:27,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1873 transitions. [2022-12-13 15:18:27,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1873 transitions. [2022-12-13 15:18:27,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:27,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1873 transitions. [2022-12-13 15:18:27,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:27,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:27,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:27,515 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 239 flow. Second operand 3 states and 1873 transitions. [2022-12-13 15:18:27,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 115 transitions, 341 flow [2022-12-13 15:18:27,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 115 transitions, 341 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:18:27,517 INFO L231 Difference]: Finished difference. Result has 110 places, 115 transitions, 237 flow [2022-12-13 15:18:27,518 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=110, PETRI_TRANSITIONS=115} [2022-12-13 15:18:27,518 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -66 predicate places. [2022-12-13 15:18:27,518 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 115 transitions, 237 flow [2022-12-13 15:18:27,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:27,519 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:27,519 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:27,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:18:27,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:27,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:27,520 INFO L85 PathProgramCache]: Analyzing trace with hash 356248874, now seen corresponding path program 1 times [2022-12-13 15:18:27,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:27,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942605119] [2022-12-13 15:18:27,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:27,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:27,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:27,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942605119] [2022-12-13 15:18:27,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942605119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:27,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:27,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:18:27,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570299113] [2022-12-13 15:18:27,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:27,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:27,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:27,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:27,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:27,597 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 1348 [2022-12-13 15:18:27,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 115 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 616.6666666666666) internal successors, (1850), 3 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:27,602 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:27,602 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 1348 [2022-12-13 15:18:27,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:28,614 INFO L130 PetriNetUnfolder]: 7880/16885 cut-off events. [2022-12-13 15:18:28,614 INFO L131 PetriNetUnfolder]: For 120/120 co-relation queries the response was YES. [2022-12-13 15:18:28,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27575 conditions, 16885 events. 7880/16885 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 153774 event pairs, 5141 based on Foata normal form. 0/13763 useless extension candidates. Maximal degree in co-relation 27571. Up to 9637 conditions per place. [2022-12-13 15:18:28,672 INFO L137 encePairwiseOnDemand]: 1345/1348 looper letters, 82 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2022-12-13 15:18:28,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 146 transitions, 469 flow [2022-12-13 15:18:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1927 transitions. [2022-12-13 15:18:28,675 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4765084075173096 [2022-12-13 15:18:28,675 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1927 transitions. [2022-12-13 15:18:28,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1927 transitions. [2022-12-13 15:18:28,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:28,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1927 transitions. [2022-12-13 15:18:28,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:28,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:28,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:28,683 INFO L175 Difference]: Start difference. First operand has 110 places, 115 transitions, 237 flow. Second operand 3 states and 1927 transitions. [2022-12-13 15:18:28,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 146 transitions, 469 flow [2022-12-13 15:18:28,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 146 transitions, 468 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:18:28,685 INFO L231 Difference]: Finished difference. Result has 112 places, 116 transitions, 248 flow [2022-12-13 15:18:28,685 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=112, PETRI_TRANSITIONS=116} [2022-12-13 15:18:28,686 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -64 predicate places. [2022-12-13 15:18:28,686 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 116 transitions, 248 flow [2022-12-13 15:18:28,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 616.6666666666666) internal successors, (1850), 3 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:28,687 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:28,687 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:28,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:18:28,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:28,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:28,687 INFO L85 PathProgramCache]: Analyzing trace with hash 356237588, now seen corresponding path program 1 times [2022-12-13 15:18:28,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:28,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005097503] [2022-12-13 15:18:28,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:28,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:28,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:28,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005097503] [2022-12-13 15:18:28,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005097503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:28,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:28,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:28,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40030990] [2022-12-13 15:18:28,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:28,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:28,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:28,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:28,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:28,755 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 1348 [2022-12-13 15:18:28,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 116 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:28,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:28,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 1348 [2022-12-13 15:18:28,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:29,978 INFO L130 PetriNetUnfolder]: 7880/17412 cut-off events. [2022-12-13 15:18:29,978 INFO L131 PetriNetUnfolder]: For 1330/1330 co-relation queries the response was YES. [2022-12-13 15:18:30,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29323 conditions, 17412 events. 7880/17412 cut-off events. For 1330/1330 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 163133 event pairs, 5693 based on Foata normal form. 0/14494 useless extension candidates. Maximal degree in co-relation 29318. Up to 10562 conditions per place. [2022-12-13 15:18:30,071 INFO L137 encePairwiseOnDemand]: 1345/1348 looper letters, 53 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2022-12-13 15:18:30,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 114 transitions, 352 flow [2022-12-13 15:18:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2022-12-13 15:18:30,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4631552917903066 [2022-12-13 15:18:30,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1873 transitions. [2022-12-13 15:18:30,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1873 transitions. [2022-12-13 15:18:30,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:30,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1873 transitions. [2022-12-13 15:18:30,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:30,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:30,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:30,088 INFO L175 Difference]: Start difference. First operand has 112 places, 116 transitions, 248 flow. Second operand 3 states and 1873 transitions. [2022-12-13 15:18:30,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 114 transitions, 352 flow [2022-12-13 15:18:30,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 114 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:18:30,092 INFO L231 Difference]: Finished difference. Result has 111 places, 114 transitions, 244 flow [2022-12-13 15:18:30,092 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=111, PETRI_TRANSITIONS=114} [2022-12-13 15:18:30,092 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2022-12-13 15:18:30,093 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 114 transitions, 244 flow [2022-12-13 15:18:30,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:30,093 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:30,094 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:30,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:18:30,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:30,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1252635405, now seen corresponding path program 1 times [2022-12-13 15:18:30,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:30,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969363062] [2022-12-13 15:18:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:30,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:30,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969363062] [2022-12-13 15:18:30,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969363062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:30,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:30,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:30,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543267277] [2022-12-13 15:18:30,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:30,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:30,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:30,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:30,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:30,156 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 609 out of 1348 [2022-12-13 15:18:30,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 114 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 612.6666666666666) internal successors, (1838), 3 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:30,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:30,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 609 of 1348 [2022-12-13 15:18:30,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:31,434 INFO L130 PetriNetUnfolder]: 11342/22768 cut-off events. [2022-12-13 15:18:31,434 INFO L131 PetriNetUnfolder]: For 1311/1311 co-relation queries the response was YES. [2022-12-13 15:18:31,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39842 conditions, 22768 events. 11342/22768 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 204367 event pairs, 2641 based on Foata normal form. 0/19003 useless extension candidates. Maximal degree in co-relation 39837. Up to 10890 conditions per place. [2022-12-13 15:18:31,545 INFO L137 encePairwiseOnDemand]: 1344/1348 looper letters, 89 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2022-12-13 15:18:31,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 149 transitions, 508 flow [2022-12-13 15:18:31,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1918 transitions. [2022-12-13 15:18:31,553 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4742828882294758 [2022-12-13 15:18:31,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1918 transitions. [2022-12-13 15:18:31,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1918 transitions. [2022-12-13 15:18:31,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:31,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1918 transitions. [2022-12-13 15:18:31,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 639.3333333333334) internal successors, (1918), 3 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:31,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:31,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:31,562 INFO L175 Difference]: Start difference. First operand has 111 places, 114 transitions, 244 flow. Second operand 3 states and 1918 transitions. [2022-12-13 15:18:31,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 149 transitions, 508 flow [2022-12-13 15:18:31,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 149 transitions, 507 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:18:31,565 INFO L231 Difference]: Finished difference. Result has 111 places, 114 transitions, 255 flow [2022-12-13 15:18:31,565 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=111, PETRI_TRANSITIONS=114} [2022-12-13 15:18:31,566 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2022-12-13 15:18:31,566 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 114 transitions, 255 flow [2022-12-13 15:18:31,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 612.6666666666666) internal successors, (1838), 3 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:31,566 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:31,566 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:31,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:18:31,567 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:31,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash -425756531, now seen corresponding path program 1 times [2022-12-13 15:18:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:31,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657547992] [2022-12-13 15:18:31,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:31,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:31,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:31,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657547992] [2022-12-13 15:18:31,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657547992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:31,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:31,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:31,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007674360] [2022-12-13 15:18:31,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:31,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:31,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:31,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:31,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:31,623 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 1348 [2022-12-13 15:18:31,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 114 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:31,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:31,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 1348 [2022-12-13 15:18:31,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:32,836 INFO L130 PetriNetUnfolder]: 11342/21874 cut-off events. [2022-12-13 15:18:32,836 INFO L131 PetriNetUnfolder]: For 2557/2557 co-relation queries the response was YES. [2022-12-13 15:18:32,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40104 conditions, 21874 events. 11342/21874 cut-off events. For 2557/2557 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 186893 event pairs, 8194 based on Foata normal form. 0/18916 useless extension candidates. Maximal degree in co-relation 40099. Up to 15258 conditions per place. [2022-12-13 15:18:32,930 INFO L137 encePairwiseOnDemand]: 1345/1348 looper letters, 55 selfloop transitions, 1 changer transitions 0/112 dead transitions. [2022-12-13 15:18:32,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 112 transitions, 363 flow [2022-12-13 15:18:32,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2022-12-13 15:18:32,933 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4631552917903066 [2022-12-13 15:18:32,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1873 transitions. [2022-12-13 15:18:32,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1873 transitions. [2022-12-13 15:18:32,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:32,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1873 transitions. [2022-12-13 15:18:32,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:32,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:32,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:32,939 INFO L175 Difference]: Start difference. First operand has 111 places, 114 transitions, 255 flow. Second operand 3 states and 1873 transitions. [2022-12-13 15:18:32,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 112 transitions, 363 flow [2022-12-13 15:18:32,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 112 transitions, 363 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:18:32,942 INFO L231 Difference]: Finished difference. Result has 111 places, 112 transitions, 253 flow [2022-12-13 15:18:32,942 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=111, PETRI_TRANSITIONS=112} [2022-12-13 15:18:32,942 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2022-12-13 15:18:32,942 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 112 transitions, 253 flow [2022-12-13 15:18:32,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:32,943 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:32,943 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:32,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:18:32,944 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:32,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:32,944 INFO L85 PathProgramCache]: Analyzing trace with hash -425754297, now seen corresponding path program 1 times [2022-12-13 15:18:32,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:32,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943993203] [2022-12-13 15:18:32,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:32,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:32,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:32,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943993203] [2022-12-13 15:18:32,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943993203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:32,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:32,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:18:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964335791] [2022-12-13 15:18:32,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:32,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:32,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:32,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:32,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:32,988 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 1348 [2022-12-13 15:18:32,990 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 112 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 617.3333333333334) internal successors, (1852), 3 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:32,990 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:32,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 1348 [2022-12-13 15:18:32,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:34,528 INFO L130 PetriNetUnfolder]: 12302/23511 cut-off events. [2022-12-13 15:18:34,528 INFO L131 PetriNetUnfolder]: For 2913/2913 co-relation queries the response was YES. [2022-12-13 15:18:34,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43318 conditions, 23511 events. 12302/23511 cut-off events. For 2913/2913 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 198363 event pairs, 8194 based on Foata normal form. 0/20429 useless extension candidates. Maximal degree in co-relation 43312. Up to 15263 conditions per place. [2022-12-13 15:18:34,646 INFO L137 encePairwiseOnDemand]: 1345/1348 looper letters, 86 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2022-12-13 15:18:34,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 144 transitions, 515 flow [2022-12-13 15:18:34,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1925 transitions. [2022-12-13 15:18:34,650 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47601384767556876 [2022-12-13 15:18:34,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1925 transitions. [2022-12-13 15:18:34,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1925 transitions. [2022-12-13 15:18:34,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:34,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1925 transitions. [2022-12-13 15:18:34,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:34,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:34,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:34,659 INFO L175 Difference]: Start difference. First operand has 111 places, 112 transitions, 253 flow. Second operand 3 states and 1925 transitions. [2022-12-13 15:18:34,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 144 transitions, 515 flow [2022-12-13 15:18:34,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 144 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:18:34,663 INFO L231 Difference]: Finished difference. Result has 113 places, 113 transitions, 264 flow [2022-12-13 15:18:34,663 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=113, PETRI_TRANSITIONS=113} [2022-12-13 15:18:34,664 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -63 predicate places. [2022-12-13 15:18:34,664 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 113 transitions, 264 flow [2022-12-13 15:18:34,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 617.3333333333334) internal successors, (1852), 3 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:34,664 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:34,665 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:34,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:18:34,665 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:34,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:34,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1129782693, now seen corresponding path program 1 times [2022-12-13 15:18:34,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:34,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65876176] [2022-12-13 15:18:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:34,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:34,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65876176] [2022-12-13 15:18:34,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65876176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:34,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:34,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:34,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174753527] [2022-12-13 15:18:34,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:34,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:34,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:34,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:34,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:34,731 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 609 out of 1348 [2022-12-13 15:18:34,733 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 113 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 613.3333333333334) internal successors, (1840), 3 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:34,733 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:34,734 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 609 of 1348 [2022-12-13 15:18:34,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:36,996 INFO L130 PetriNetUnfolder]: 20092/35961 cut-off events. [2022-12-13 15:18:36,996 INFO L131 PetriNetUnfolder]: For 6901/6901 co-relation queries the response was YES. [2022-12-13 15:18:37,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71662 conditions, 35961 events. 20092/35961 cut-off events. For 6901/6901 co-relation queries the response was YES. Maximal size of possible extension queue 942. Compared 295454 event pairs, 4939 based on Foata normal form. 0/32322 useless extension candidates. Maximal degree in co-relation 71655. Up to 19020 conditions per place. [2022-12-13 15:18:37,195 INFO L137 encePairwiseOnDemand]: 1344/1348 looper letters, 98 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2022-12-13 15:18:37,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 152 transitions, 576 flow [2022-12-13 15:18:37,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:18:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1921 transitions. [2022-12-13 15:18:37,198 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47502472799208706 [2022-12-13 15:18:37,198 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1921 transitions. [2022-12-13 15:18:37,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1921 transitions. [2022-12-13 15:18:37,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:37,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1921 transitions. [2022-12-13 15:18:37,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 640.3333333333334) internal successors, (1921), 3 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:37,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:37,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:37,204 INFO L175 Difference]: Start difference. First operand has 113 places, 113 transitions, 264 flow. Second operand 3 states and 1921 transitions. [2022-12-13 15:18:37,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 152 transitions, 576 flow [2022-12-13 15:18:37,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 152 transitions, 572 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:18:37,240 INFO L231 Difference]: Finished difference. Result has 113 places, 113 transitions, 274 flow [2022-12-13 15:18:37,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=113, PETRI_TRANSITIONS=113} [2022-12-13 15:18:37,241 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -63 predicate places. [2022-12-13 15:18:37,241 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 113 transitions, 274 flow [2022-12-13 15:18:37,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 613.3333333333334) internal successors, (1840), 3 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:37,242 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:37,242 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:37,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:18:37,243 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:37,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:37,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1982943064, now seen corresponding path program 1 times [2022-12-13 15:18:37,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:37,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039286218] [2022-12-13 15:18:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:37,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:37,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:37,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039286218] [2022-12-13 15:18:37,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039286218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:37,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:37,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:18:37,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835955143] [2022-12-13 15:18:37,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:37,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:18:37,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:37,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:18:37,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:18:38,194 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 601 out of 1348 [2022-12-13 15:18:38,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 113 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 603.3333333333334) internal successors, (3620), 6 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:38,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:38,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 601 of 1348 [2022-12-13 15:18:38,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:42,905 INFO L130 PetriNetUnfolder]: 57668/82480 cut-off events. [2022-12-13 15:18:42,905 INFO L131 PetriNetUnfolder]: For 23652/23857 co-relation queries the response was YES. [2022-12-13 15:18:43,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181429 conditions, 82480 events. 57668/82480 cut-off events. For 23652/23857 co-relation queries the response was YES. Maximal size of possible extension queue 2262. Compared 562746 event pairs, 5510 based on Foata normal form. 0/75401 useless extension candidates. Maximal degree in co-relation 181422. Up to 26944 conditions per place. [2022-12-13 15:18:43,375 INFO L137 encePairwiseOnDemand]: 1343/1348 looper letters, 222 selfloop transitions, 4 changer transitions 0/276 dead transitions. [2022-12-13 15:18:43,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 276 transitions, 1192 flow [2022-12-13 15:18:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:18:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:18:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3808 transitions. [2022-12-13 15:18:43,383 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4708209693372898 [2022-12-13 15:18:43,383 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3808 transitions. [2022-12-13 15:18:43,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3808 transitions. [2022-12-13 15:18:43,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:43,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3808 transitions. [2022-12-13 15:18:43,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 634.6666666666666) internal successors, (3808), 6 states have internal predecessors, (3808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:43,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:43,400 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:43,400 INFO L175 Difference]: Start difference. First operand has 113 places, 113 transitions, 274 flow. Second operand 6 states and 3808 transitions. [2022-12-13 15:18:43,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 276 transitions, 1192 flow [2022-12-13 15:18:43,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 276 transitions, 1192 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:18:43,426 INFO L231 Difference]: Finished difference. Result has 117 places, 112 transitions, 280 flow [2022-12-13 15:18:43,426 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=280, PETRI_PLACES=117, PETRI_TRANSITIONS=112} [2022-12-13 15:18:43,427 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -59 predicate places. [2022-12-13 15:18:43,427 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 112 transitions, 280 flow [2022-12-13 15:18:43,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 603.3333333333334) internal successors, (3620), 6 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:43,428 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:43,428 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:43,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:18:43,429 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:43,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1225523552, now seen corresponding path program 1 times [2022-12-13 15:18:43,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:43,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746558413] [2022-12-13 15:18:43,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:43,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:43,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:43,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746558413] [2022-12-13 15:18:43,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746558413] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:43,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:43,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:18:43,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949236860] [2022-12-13 15:18:43,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:43,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:18:43,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:43,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:18:43,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:18:43,757 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1348 [2022-12-13 15:18:43,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 280 flow. Second operand has 4 states, 4 states have (on average 609.75) internal successors, (2439), 4 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:43,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:43,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1348 [2022-12-13 15:18:43,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:47,196 INFO L130 PetriNetUnfolder]: 27095/50411 cut-off events. [2022-12-13 15:18:47,196 INFO L131 PetriNetUnfolder]: For 14177/14251 co-relation queries the response was YES. [2022-12-13 15:18:47,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104275 conditions, 50411 events. 27095/50411 cut-off events. For 14177/14251 co-relation queries the response was YES. Maximal size of possible extension queue 1223. Compared 454851 event pairs, 20557 based on Foata normal form. 648/46697 useless extension candidates. Maximal degree in co-relation 104267. Up to 25571 conditions per place. [2022-12-13 15:18:47,435 INFO L137 encePairwiseOnDemand]: 1344/1348 looper letters, 102 selfloop transitions, 3 changer transitions 0/159 dead transitions. [2022-12-13 15:18:47,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 159 transitions, 617 flow [2022-12-13 15:18:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:18:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 15:18:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2526 transitions. [2022-12-13 15:18:47,439 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4684718100890208 [2022-12-13 15:18:47,439 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2526 transitions. [2022-12-13 15:18:47,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2526 transitions. [2022-12-13 15:18:47,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:47,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2526 transitions. [2022-12-13 15:18:47,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 631.5) internal successors, (2526), 4 states have internal predecessors, (2526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:47,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1348.0) internal successors, (6740), 5 states have internal predecessors, (6740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:47,448 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1348.0) internal successors, (6740), 5 states have internal predecessors, (6740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:47,449 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 280 flow. Second operand 4 states and 2526 transitions. [2022-12-13 15:18:47,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 159 transitions, 617 flow [2022-12-13 15:18:47,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 159 transitions, 608 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:18:47,485 INFO L231 Difference]: Finished difference. Result has 118 places, 114 transitions, 294 flow [2022-12-13 15:18:47,485 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=294, PETRI_PLACES=118, PETRI_TRANSITIONS=114} [2022-12-13 15:18:47,485 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -58 predicate places. [2022-12-13 15:18:47,485 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 114 transitions, 294 flow [2022-12-13 15:18:47,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 609.75) internal successors, (2439), 4 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:47,486 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:47,486 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:47,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:18:47,486 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1319531365, now seen corresponding path program 1 times [2022-12-13 15:18:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:47,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423587161] [2022-12-13 15:18:47,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:47,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:18:47,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:47,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423587161] [2022-12-13 15:18:47,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423587161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:47,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:47,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:18:47,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206179747] [2022-12-13 15:18:47,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:47,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:18:47,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:47,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:18:47,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:18:47,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1348 [2022-12-13 15:18:47,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 114 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 600.0) internal successors, (3600), 6 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:47,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:47,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1348 [2022-12-13 15:18:47,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:18:54,775 INFO L130 PetriNetUnfolder]: 57745/100305 cut-off events. [2022-12-13 15:18:54,775 INFO L131 PetriNetUnfolder]: For 18808/18808 co-relation queries the response was YES. [2022-12-13 15:18:55,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206342 conditions, 100305 events. 57745/100305 cut-off events. For 18808/18808 co-relation queries the response was YES. Maximal size of possible extension queue 1881. Compared 914988 event pairs, 30723 based on Foata normal form. 648/92708 useless extension candidates. Maximal degree in co-relation 206332. Up to 31459 conditions per place. [2022-12-13 15:18:55,377 INFO L137 encePairwiseOnDemand]: 1339/1348 looper letters, 210 selfloop transitions, 12 changer transitions 0/276 dead transitions. [2022-12-13 15:18:55,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 276 transitions, 1168 flow [2022-12-13 15:18:55,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:18:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 15:18:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4391 transitions. [2022-12-13 15:18:55,383 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46534548537515896 [2022-12-13 15:18:55,384 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4391 transitions. [2022-12-13 15:18:55,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4391 transitions. [2022-12-13 15:18:55,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:18:55,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4391 transitions. [2022-12-13 15:18:55,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 627.2857142857143) internal successors, (4391), 7 states have internal predecessors, (4391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:55,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1348.0) internal successors, (10784), 8 states have internal predecessors, (10784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:55,397 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1348.0) internal successors, (10784), 8 states have internal predecessors, (10784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:55,397 INFO L175 Difference]: Start difference. First operand has 118 places, 114 transitions, 294 flow. Second operand 7 states and 4391 transitions. [2022-12-13 15:18:55,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 276 transitions, 1168 flow [2022-12-13 15:18:55,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 276 transitions, 1164 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 15:18:55,447 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 381 flow [2022-12-13 15:18:55,447 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=381, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2022-12-13 15:18:55,448 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -49 predicate places. [2022-12-13 15:18:55,448 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 381 flow [2022-12-13 15:18:55,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 600.0) internal successors, (3600), 6 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:55,449 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:18:55,449 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:55,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:18:55,449 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:18:55,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash -380246861, now seen corresponding path program 1 times [2022-12-13 15:18:55,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:55,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913483180] [2022-12-13 15:18:55,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:55,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:55,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:55,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913483180] [2022-12-13 15:18:55,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913483180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:55,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:55,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:18:55,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155737916] [2022-12-13 15:18:55,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:55,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:55,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:55,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:55,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:55,489 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 1348 [2022-12-13 15:18:55,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 618.3333333333334) internal successors, (1855), 3 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:55,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:18:55,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 1348 [2022-12-13 15:18:55,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:19:03,498 INFO L130 PetriNetUnfolder]: 64118/115290 cut-off events. [2022-12-13 15:19:03,498 INFO L131 PetriNetUnfolder]: For 62139/62139 co-relation queries the response was YES. [2022-12-13 15:19:03,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250297 conditions, 115290 events. 64118/115290 cut-off events. For 62139/62139 co-relation queries the response was YES. Maximal size of possible extension queue 2140. Compared 1102432 event pairs, 44585 based on Foata normal form. 2422/109060 useless extension candidates. Maximal degree in co-relation 250283. Up to 79147 conditions per place. [2022-12-13 15:19:04,256 INFO L137 encePairwiseOnDemand]: 1345/1348 looper letters, 108 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-12-13 15:19:04,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 164 transitions, 766 flow [2022-12-13 15:19:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:19:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1926 transitions. [2022-12-13 15:19:04,260 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4762611275964392 [2022-12-13 15:19:04,260 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1926 transitions. [2022-12-13 15:19:04,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1926 transitions. [2022-12-13 15:19:04,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:19:04,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1926 transitions. [2022-12-13 15:19:04,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 642.0) internal successors, (1926), 3 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:04,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:04,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:04,266 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 381 flow. Second operand 3 states and 1926 transitions. [2022-12-13 15:19:04,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 164 transitions, 766 flow [2022-12-13 15:19:04,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 164 transitions, 764 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-12-13 15:19:04,330 INFO L231 Difference]: Finished difference. Result has 130 places, 124 transitions, 393 flow [2022-12-13 15:19:04,330 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=130, PETRI_TRANSITIONS=124} [2022-12-13 15:19:04,331 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -46 predicate places. [2022-12-13 15:19:04,331 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 124 transitions, 393 flow [2022-12-13 15:19:04,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.3333333333334) internal successors, (1855), 3 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:04,331 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:19:04,332 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:04,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:19:04,332 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:19:04,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:04,332 INFO L85 PathProgramCache]: Analyzing trace with hash 699795448, now seen corresponding path program 1 times [2022-12-13 15:19:04,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:04,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823105266] [2022-12-13 15:19:04,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:19:04,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:04,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823105266] [2022-12-13 15:19:04,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823105266] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:04,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:04,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:19:04,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172109379] [2022-12-13 15:19:04,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:04,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:19:04,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:19:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:19:05,208 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1348 [2022-12-13 15:19:05,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 124 transitions, 393 flow. Second operand has 6 states, 6 states have (on average 597.0) internal successors, (3582), 6 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:05,210 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:19:05,210 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1348 [2022-12-13 15:19:05,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:19:15,087 INFO L130 PetriNetUnfolder]: 76016/132615 cut-off events. [2022-12-13 15:19:15,087 INFO L131 PetriNetUnfolder]: For 77451/77451 co-relation queries the response was YES. [2022-12-13 15:19:15,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301204 conditions, 132615 events. 76016/132615 cut-off events. For 77451/77451 co-relation queries the response was YES. Maximal size of possible extension queue 2271. Compared 1237811 event pairs, 48412 based on Foata normal form. 0/126096 useless extension candidates. Maximal degree in co-relation 301188. Up to 83678 conditions per place. [2022-12-13 15:19:16,060 INFO L137 encePairwiseOnDemand]: 1342/1348 looper letters, 205 selfloop transitions, 6 changer transitions 0/259 dead transitions. [2022-12-13 15:19:16,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 259 transitions, 1203 flow [2022-12-13 15:19:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:19:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:19:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3747 transitions. [2022-12-13 15:19:16,067 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46327893175074186 [2022-12-13 15:19:16,067 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3747 transitions. [2022-12-13 15:19:16,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3747 transitions. [2022-12-13 15:19:16,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:19:16,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3747 transitions. [2022-12-13 15:19:16,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 624.5) internal successors, (3747), 6 states have internal predecessors, (3747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:16,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:16,078 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:16,078 INFO L175 Difference]: Start difference. First operand has 130 places, 124 transitions, 393 flow. Second operand 6 states and 3747 transitions. [2022-12-13 15:19:16,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 259 transitions, 1203 flow [2022-12-13 15:19:17,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 259 transitions, 1193 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:19:17,003 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 401 flow [2022-12-13 15:19:17,004 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2022-12-13 15:19:17,004 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -43 predicate places. [2022-12-13 15:19:17,004 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 401 flow [2022-12-13 15:19:17,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.0) internal successors, (3582), 6 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:17,004 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:19:17,005 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:17,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:19:17,005 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:19:17,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:17,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1870990586, now seen corresponding path program 1 times [2022-12-13 15:19:17,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:17,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117952333] [2022-12-13 15:19:17,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:17,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:19:17,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:17,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117952333] [2022-12-13 15:19:17,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117952333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:17,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:17,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:19:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302243177] [2022-12-13 15:19:17,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:17,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:19:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:17,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:19:17,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:19:17,298 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 1348 [2022-12-13 15:19:17,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 401 flow. Second operand has 5 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:17,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:19:17,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 1348 [2022-12-13 15:19:17,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:19:27,361 INFO L130 PetriNetUnfolder]: 69342/131978 cut-off events. [2022-12-13 15:19:27,361 INFO L131 PetriNetUnfolder]: For 65354/65778 co-relation queries the response was YES. [2022-12-13 15:19:27,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285013 conditions, 131978 events. 69342/131978 cut-off events. For 65354/65778 co-relation queries the response was YES. Maximal size of possible extension queue 2230. Compared 1322648 event pairs, 30045 based on Foata normal form. 490/124648 useless extension candidates. Maximal degree in co-relation 284997. Up to 43739 conditions per place. [2022-12-13 15:19:28,323 INFO L137 encePairwiseOnDemand]: 1341/1348 looper letters, 158 selfloop transitions, 7 changer transitions 0/218 dead transitions. [2022-12-13 15:19:28,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 218 transitions, 1067 flow [2022-12-13 15:19:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:19:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 15:19:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3167 transitions. [2022-12-13 15:19:28,328 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4698813056379822 [2022-12-13 15:19:28,328 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3167 transitions. [2022-12-13 15:19:28,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3167 transitions. [2022-12-13 15:19:28,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:19:28,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3167 transitions. [2022-12-13 15:19:28,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 633.4) internal successors, (3167), 5 states have internal predecessors, (3167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:28,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1348.0) internal successors, (8088), 6 states have internal predecessors, (8088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:28,337 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1348.0) internal successors, (8088), 6 states have internal predecessors, (8088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:28,337 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 401 flow. Second operand 5 states and 3167 transitions. [2022-12-13 15:19:28,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 218 transitions, 1067 flow [2022-12-13 15:19:28,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 218 transitions, 1047 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:19:28,586 INFO L231 Difference]: Finished difference. Result has 134 places, 125 transitions, 423 flow [2022-12-13 15:19:28,587 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=423, PETRI_PLACES=134, PETRI_TRANSITIONS=125} [2022-12-13 15:19:28,587 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -42 predicate places. [2022-12-13 15:19:28,587 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 125 transitions, 423 flow [2022-12-13 15:19:28,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:28,587 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:19:28,587 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:28,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 15:19:28,588 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:19:28,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:28,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1110623817, now seen corresponding path program 1 times [2022-12-13 15:19:28,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:28,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845164428] [2022-12-13 15:19:28,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:28,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:19:28,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:28,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845164428] [2022-12-13 15:19:28,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845164428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:28,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:28,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:19:28,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732637577] [2022-12-13 15:19:28,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:28,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:19:28,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:28,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:19:28,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:19:29,039 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1348 [2022-12-13 15:19:29,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 125 transitions, 423 flow. Second operand has 6 states, 6 states have (on average 600.5) internal successors, (3603), 6 states have internal predecessors, (3603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:29,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:19:29,040 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1348 [2022-12-13 15:19:29,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:19:41,679 INFO L130 PetriNetUnfolder]: 87453/163458 cut-off events. [2022-12-13 15:19:41,679 INFO L131 PetriNetUnfolder]: For 97815/98099 co-relation queries the response was YES. [2022-12-13 15:19:42,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368063 conditions, 163458 events. 87453/163458 cut-off events. For 97815/98099 co-relation queries the response was YES. Maximal size of possible extension queue 2492. Compared 1656498 event pairs, 40056 based on Foata normal form. 1102/157442 useless extension candidates. Maximal degree in co-relation 368045. Up to 44597 conditions per place. [2022-12-13 15:19:42,918 INFO L137 encePairwiseOnDemand]: 1339/1348 looper letters, 273 selfloop transitions, 16 changer transitions 0/342 dead transitions. [2022-12-13 15:19:42,918 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 342 transitions, 1840 flow [2022-12-13 15:19:42,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:19:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 15:19:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5008 transitions. [2022-12-13 15:19:42,923 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46439169139465875 [2022-12-13 15:19:42,923 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 5008 transitions. [2022-12-13 15:19:42,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 5008 transitions. [2022-12-13 15:19:42,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:19:42,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 5008 transitions. [2022-12-13 15:19:42,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 626.0) internal successors, (5008), 8 states have internal predecessors, (5008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:42,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1348.0) internal successors, (12132), 9 states have internal predecessors, (12132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:42,935 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1348.0) internal successors, (12132), 9 states have internal predecessors, (12132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:42,935 INFO L175 Difference]: Start difference. First operand has 134 places, 125 transitions, 423 flow. Second operand 8 states and 5008 transitions. [2022-12-13 15:19:42,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 342 transitions, 1840 flow [2022-12-13 15:19:43,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 342 transitions, 1834 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:19:43,484 INFO L231 Difference]: Finished difference. Result has 142 places, 134 transitions, 514 flow [2022-12-13 15:19:43,484 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=514, PETRI_PLACES=142, PETRI_TRANSITIONS=134} [2022-12-13 15:19:43,485 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -34 predicate places. [2022-12-13 15:19:43,485 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 134 transitions, 514 flow [2022-12-13 15:19:43,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 600.5) internal successors, (3603), 6 states have internal predecessors, (3603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:43,485 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:19:43,486 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:43,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 15:19:43,486 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:19:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:43,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1353034036, now seen corresponding path program 1 times [2022-12-13 15:19:43,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:43,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168330192] [2022-12-13 15:19:43,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:43,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:19:43,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:43,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168330192] [2022-12-13 15:19:43,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168330192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:43,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:43,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:19:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748272706] [2022-12-13 15:19:43,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:43,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:19:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:19:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:19:43,730 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 1348 [2022-12-13 15:19:43,731 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 134 transitions, 514 flow. Second operand has 4 states, 4 states have (on average 609.75) internal successors, (2439), 4 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:43,731 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:19:43,731 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 1348 [2022-12-13 15:19:43,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:19:56,359 INFO L130 PetriNetUnfolder]: 76379/148399 cut-off events. [2022-12-13 15:19:56,359 INFO L131 PetriNetUnfolder]: For 122137/122571 co-relation queries the response was YES. [2022-12-13 15:19:57,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345452 conditions, 148399 events. 76379/148399 cut-off events. For 122137/122571 co-relation queries the response was YES. Maximal size of possible extension queue 2387. Compared 1538633 event pairs, 61153 based on Foata normal form. 444/141757 useless extension candidates. Maximal degree in co-relation 345431. Up to 83324 conditions per place. [2022-12-13 15:19:57,757 INFO L137 encePairwiseOnDemand]: 1340/1348 looper letters, 164 selfloop transitions, 7 changer transitions 0/224 dead transitions. [2022-12-13 15:19:57,757 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 224 transitions, 1298 flow [2022-12-13 15:19:57,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:19:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 15:19:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3154 transitions. [2022-12-13 15:19:57,762 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4679525222551929 [2022-12-13 15:19:57,763 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3154 transitions. [2022-12-13 15:19:57,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3154 transitions. [2022-12-13 15:19:57,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:19:57,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3154 transitions. [2022-12-13 15:19:57,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 630.8) internal successors, (3154), 5 states have internal predecessors, (3154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:57,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1348.0) internal successors, (8088), 6 states have internal predecessors, (8088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:57,771 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1348.0) internal successors, (8088), 6 states have internal predecessors, (8088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:57,771 INFO L175 Difference]: Start difference. First operand has 142 places, 134 transitions, 514 flow. Second operand 5 states and 3154 transitions. [2022-12-13 15:19:57,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 224 transitions, 1298 flow [2022-12-13 15:19:58,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 224 transitions, 1294 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-12-13 15:19:58,520 INFO L231 Difference]: Finished difference. Result has 149 places, 138 transitions, 570 flow [2022-12-13 15:19:58,520 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=570, PETRI_PLACES=149, PETRI_TRANSITIONS=138} [2022-12-13 15:19:58,521 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -27 predicate places. [2022-12-13 15:19:58,521 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 138 transitions, 570 flow [2022-12-13 15:19:58,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 609.75) internal successors, (2439), 4 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:58,521 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:19:58,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:58,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 15:19:58,521 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:19:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:58,521 INFO L85 PathProgramCache]: Analyzing trace with hash -968011672, now seen corresponding path program 1 times [2022-12-13 15:19:58,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:58,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623837978] [2022-12-13 15:19:58,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:58,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:19:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:58,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623837978] [2022-12-13 15:19:58,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623837978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:58,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:58,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:19:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121097579] [2022-12-13 15:19:58,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:58,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:19:58,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:58,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:19:58,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:19:59,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1348 [2022-12-13 15:19:59,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 138 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 597.5) internal successors, (3585), 6 states have internal predecessors, (3585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:19:59,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:19:59,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1348 [2022-12-13 15:19:59,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:20:15,055 INFO L130 PetriNetUnfolder]: 98704/177528 cut-off events. [2022-12-13 15:20:15,055 INFO L131 PetriNetUnfolder]: For 171314/171826 co-relation queries the response was YES. [2022-12-13 15:20:16,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434134 conditions, 177528 events. 98704/177528 cut-off events. For 171314/171826 co-relation queries the response was YES. Maximal size of possible extension queue 2600. Compared 1727837 event pairs, 55805 based on Foata normal form. 38/170718 useless extension candidates. Maximal degree in co-relation 434110. Up to 92649 conditions per place. [2022-12-13 15:20:16,636 INFO L137 encePairwiseOnDemand]: 1342/1348 looper letters, 230 selfloop transitions, 6 changer transitions 0/283 dead transitions. [2022-12-13 15:20:16,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 283 transitions, 1625 flow [2022-12-13 15:20:16,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:20:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:20:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3737 transitions. [2022-12-13 15:20:16,642 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46204253214638974 [2022-12-13 15:20:16,642 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3737 transitions. [2022-12-13 15:20:16,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3737 transitions. [2022-12-13 15:20:16,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:20:16,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3737 transitions. [2022-12-13 15:20:16,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 622.8333333333334) internal successors, (3737), 6 states have internal predecessors, (3737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:16,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:16,652 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:16,652 INFO L175 Difference]: Start difference. First operand has 149 places, 138 transitions, 570 flow. Second operand 6 states and 3737 transitions. [2022-12-13 15:20:16,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 283 transitions, 1625 flow [2022-12-13 15:20:17,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 283 transitions, 1622 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:20:17,437 INFO L231 Difference]: Finished difference. Result has 152 places, 137 transitions, 577 flow [2022-12-13 15:20:17,438 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=577, PETRI_PLACES=152, PETRI_TRANSITIONS=137} [2022-12-13 15:20:17,438 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -24 predicate places. [2022-12-13 15:20:17,438 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 137 transitions, 577 flow [2022-12-13 15:20:17,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.5) internal successors, (3585), 6 states have internal predecessors, (3585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:17,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:20:17,439 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:17,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 15:20:17,439 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:20:17,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:17,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1621114127, now seen corresponding path program 1 times [2022-12-13 15:20:17,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:17,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551950899] [2022-12-13 15:20:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:17,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:20:17,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:17,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551950899] [2022-12-13 15:20:17,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551950899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:17,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:20:17,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:20:17,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075717271] [2022-12-13 15:20:17,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:17,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:20:17,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:17,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:20:17,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:20:17,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1348 [2022-12-13 15:20:17,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 137 transitions, 577 flow. Second operand has 6 states, 6 states have (on average 600.6666666666666) internal successors, (3604), 6 states have internal predecessors, (3604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:17,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:20:17,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1348 [2022-12-13 15:20:17,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:20:29,435 INFO L130 PetriNetUnfolder]: 69596/129986 cut-off events. [2022-12-13 15:20:29,435 INFO L131 PetriNetUnfolder]: For 127348/127532 co-relation queries the response was YES. [2022-12-13 15:20:30,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322692 conditions, 129986 events. 69596/129986 cut-off events. For 127348/127532 co-relation queries the response was YES. Maximal size of possible extension queue 2046. Compared 1272549 event pairs, 51756 based on Foata normal form. 478/125554 useless extension candidates. Maximal degree in co-relation 322667. Up to 74881 conditions per place. [2022-12-13 15:20:30,594 INFO L137 encePairwiseOnDemand]: 1340/1348 looper letters, 188 selfloop transitions, 15 changer transitions 0/255 dead transitions. [2022-12-13 15:20:30,594 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 255 transitions, 1541 flow [2022-12-13 15:20:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:20:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 15:20:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4327 transitions. [2022-12-13 15:20:30,601 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.458562950402713 [2022-12-13 15:20:30,601 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4327 transitions. [2022-12-13 15:20:30,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4327 transitions. [2022-12-13 15:20:30,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:20:30,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4327 transitions. [2022-12-13 15:20:30,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 618.1428571428571) internal successors, (4327), 7 states have internal predecessors, (4327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:30,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1348.0) internal successors, (10784), 8 states have internal predecessors, (10784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:30,611 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1348.0) internal successors, (10784), 8 states have internal predecessors, (10784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:30,611 INFO L175 Difference]: Start difference. First operand has 152 places, 137 transitions, 577 flow. Second operand 7 states and 4327 transitions. [2022-12-13 15:20:30,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 255 transitions, 1541 flow [2022-12-13 15:20:31,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 255 transitions, 1525 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:20:31,487 INFO L231 Difference]: Finished difference. Result has 155 places, 142 transitions, 638 flow [2022-12-13 15:20:31,487 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=638, PETRI_PLACES=155, PETRI_TRANSITIONS=142} [2022-12-13 15:20:31,487 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -21 predicate places. [2022-12-13 15:20:31,488 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 142 transitions, 638 flow [2022-12-13 15:20:31,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 600.6666666666666) internal successors, (3604), 6 states have internal predecessors, (3604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:31,488 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:20:31,488 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:31,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 15:20:31,488 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:20:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:31,489 INFO L85 PathProgramCache]: Analyzing trace with hash -447886962, now seen corresponding path program 1 times [2022-12-13 15:20:31,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:31,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676178684] [2022-12-13 15:20:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:31,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:20:31,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:31,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676178684] [2022-12-13 15:20:31,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676178684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:31,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:20:31,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:20:31,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587208698] [2022-12-13 15:20:31,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:31,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:20:31,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:31,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:20:31,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:20:32,247 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1348 [2022-12-13 15:20:32,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 142 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 597.6666666666666) internal successors, (3586), 6 states have internal predecessors, (3586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:32,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:20:32,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1348 [2022-12-13 15:20:32,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:20:46,272 INFO L130 PetriNetUnfolder]: 87647/157312 cut-off events. [2022-12-13 15:20:46,272 INFO L131 PetriNetUnfolder]: For 177685/177964 co-relation queries the response was YES. [2022-12-13 15:20:47,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398412 conditions, 157312 events. 87647/157312 cut-off events. For 177685/177964 co-relation queries the response was YES. Maximal size of possible extension queue 2393. Compared 1508661 event pairs, 50764 based on Foata normal form. 16/153046 useless extension candidates. Maximal degree in co-relation 398385. Up to 84148 conditions per place. [2022-12-13 15:20:47,747 INFO L137 encePairwiseOnDemand]: 1342/1348 looper letters, 262 selfloop transitions, 5 changer transitions 0/313 dead transitions. [2022-12-13 15:20:47,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 313 transitions, 1978 flow [2022-12-13 15:20:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:20:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:20:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3739 transitions. [2022-12-13 15:20:47,753 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46228981206726016 [2022-12-13 15:20:47,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3739 transitions. [2022-12-13 15:20:47,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3739 transitions. [2022-12-13 15:20:47,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:20:47,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3739 transitions. [2022-12-13 15:20:47,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 623.1666666666666) internal successors, (3739), 6 states have internal predecessors, (3739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:47,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:47,762 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:47,762 INFO L175 Difference]: Start difference. First operand has 155 places, 142 transitions, 638 flow. Second operand 6 states and 3739 transitions. [2022-12-13 15:20:47,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 313 transitions, 1978 flow [2022-12-13 15:20:48,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 313 transitions, 1971 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:20:48,464 INFO L231 Difference]: Finished difference. Result has 157 places, 141 transitions, 639 flow [2022-12-13 15:20:48,465 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=157, PETRI_TRANSITIONS=141} [2022-12-13 15:20:48,465 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -19 predicate places. [2022-12-13 15:20:48,465 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 141 transitions, 639 flow [2022-12-13 15:20:48,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.6666666666666) internal successors, (3586), 6 states have internal predecessors, (3586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:48,465 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:20:48,465 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:48,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 15:20:48,466 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:20:48,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1748736170, now seen corresponding path program 1 times [2022-12-13 15:20:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:48,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322015213] [2022-12-13 15:20:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:20:48,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:48,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322015213] [2022-12-13 15:20:48,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322015213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:48,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:20:48,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:20:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104160576] [2022-12-13 15:20:48,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:48,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:20:48,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:48,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:20:48,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:20:48,502 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 609 out of 1348 [2022-12-13 15:20:48,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 141 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 615.0) internal successors, (1845), 3 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:20:48,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:20:48,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 609 of 1348 [2022-12-13 15:20:48,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:21:02,649 INFO L130 PetriNetUnfolder]: 88159/158281 cut-off events. [2022-12-13 15:21:02,649 INFO L131 PetriNetUnfolder]: For 183983/184203 co-relation queries the response was YES. [2022-12-13 15:21:03,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412071 conditions, 158281 events. 88159/158281 cut-off events. For 183983/184203 co-relation queries the response was YES. Maximal size of possible extension queue 2595. Compared 1523039 event pairs, 29364 based on Foata normal form. 14/155639 useless extension candidates. Maximal degree in co-relation 412044. Up to 84526 conditions per place. [2022-12-13 15:21:04,148 INFO L137 encePairwiseOnDemand]: 1344/1348 looper letters, 142 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-12-13 15:21:04,148 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 191 transitions, 1176 flow [2022-12-13 15:21:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:21:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:21:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1921 transitions. [2022-12-13 15:21:04,152 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47502472799208706 [2022-12-13 15:21:04,152 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1921 transitions. [2022-12-13 15:21:04,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1921 transitions. [2022-12-13 15:21:04,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:21:04,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1921 transitions. [2022-12-13 15:21:04,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 640.3333333333334) internal successors, (1921), 3 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:04,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:04,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1348.0) internal successors, (5392), 4 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:04,157 INFO L175 Difference]: Start difference. First operand has 157 places, 141 transitions, 639 flow. Second operand 3 states and 1921 transitions. [2022-12-13 15:21:04,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 191 transitions, 1176 flow [2022-12-13 15:21:04,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 191 transitions, 1166 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:21:04,986 INFO L231 Difference]: Finished difference. Result has 153 places, 141 transitions, 639 flow [2022-12-13 15:21:04,986 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=153, PETRI_TRANSITIONS=141} [2022-12-13 15:21:04,986 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -23 predicate places. [2022-12-13 15:21:04,986 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 141 transitions, 639 flow [2022-12-13 15:21:04,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.0) internal successors, (1845), 3 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:04,986 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:21:04,986 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:04,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 15:21:04,987 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:21:04,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:04,987 INFO L85 PathProgramCache]: Analyzing trace with hash 612371202, now seen corresponding path program 1 times [2022-12-13 15:21:04,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:04,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842331523] [2022-12-13 15:21:04,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:21:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:21:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:21:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842331523] [2022-12-13 15:21:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842331523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:21:05,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:21:05,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:21:05,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804165417] [2022-12-13 15:21:05,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:21:05,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:21:05,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:21:05,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:21:05,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:21:05,791 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 601 out of 1348 [2022-12-13 15:21:05,792 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 141 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 604.1666666666666) internal successors, (3625), 6 states have internal predecessors, (3625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:05,792 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:21:05,792 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 601 of 1348 [2022-12-13 15:21:05,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:21:21,202 INFO L130 PetriNetUnfolder]: 92867/162173 cut-off events. [2022-12-13 15:21:21,202 INFO L131 PetriNetUnfolder]: For 202239/202459 co-relation queries the response was YES. [2022-12-13 15:21:22,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430199 conditions, 162173 events. 92867/162173 cut-off events. For 202239/202459 co-relation queries the response was YES. Maximal size of possible extension queue 2563. Compared 1513371 event pairs, 62807 based on Foata normal form. 14/157715 useless extension candidates. Maximal degree in co-relation 430172. Up to 104436 conditions per place. [2022-12-13 15:21:22,842 INFO L137 encePairwiseOnDemand]: 1343/1348 looper letters, 266 selfloop transitions, 4 changer transitions 0/316 dead transitions. [2022-12-13 15:21:22,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 316 transitions, 2185 flow [2022-12-13 15:21:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:21:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:21:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3764 transitions. [2022-12-13 15:21:22,849 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46538081107814044 [2022-12-13 15:21:22,849 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3764 transitions. [2022-12-13 15:21:22,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3764 transitions. [2022-12-13 15:21:22,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:21:22,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3764 transitions. [2022-12-13 15:21:22,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 627.3333333333334) internal successors, (3764), 6 states have internal predecessors, (3764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:22,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:22,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:22,862 INFO L175 Difference]: Start difference. First operand has 153 places, 141 transitions, 639 flow. Second operand 6 states and 3764 transitions. [2022-12-13 15:21:22,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 316 transitions, 2185 flow [2022-12-13 15:21:23,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 316 transitions, 2185 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:21:23,895 INFO L231 Difference]: Finished difference. Result has 157 places, 140 transitions, 645 flow [2022-12-13 15:21:23,895 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=645, PETRI_PLACES=157, PETRI_TRANSITIONS=140} [2022-12-13 15:21:23,895 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -19 predicate places. [2022-12-13 15:21:23,895 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 140 transitions, 645 flow [2022-12-13 15:21:23,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 604.1666666666666) internal successors, (3625), 6 states have internal predecessors, (3625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:23,896 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:21:23,896 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:23,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 15:21:23,896 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:21:23,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash -987664515, now seen corresponding path program 1 times [2022-12-13 15:21:23,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:23,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558774429] [2022-12-13 15:21:23,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:23,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:21:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:21:24,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:21:24,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558774429] [2022-12-13 15:21:24,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558774429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:21:24,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:21:24,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:21:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285028625] [2022-12-13 15:21:24,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:21:24,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:21:24,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:21:24,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:21:24,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:21:24,817 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1348 [2022-12-13 15:21:24,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 140 transitions, 645 flow. Second operand has 6 states, 6 states have (on average 597.1666666666666) internal successors, (3583), 6 states have internal predecessors, (3583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:24,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:21:24,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1348 [2022-12-13 15:21:24,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:21:42,514 INFO L130 PetriNetUnfolder]: 107596/185940 cut-off events. [2022-12-13 15:21:42,514 INFO L131 PetriNetUnfolder]: For 218855/219101 co-relation queries the response was YES. [2022-12-13 15:21:43,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492368 conditions, 185940 events. 107596/185940 cut-off events. For 218855/219101 co-relation queries the response was YES. Maximal size of possible extension queue 2578. Compared 1713320 event pairs, 64302 based on Foata normal form. 14/181402 useless extension candidates. Maximal degree in co-relation 492340. Up to 106019 conditions per place. [2022-12-13 15:21:44,419 INFO L137 encePairwiseOnDemand]: 1342/1348 looper letters, 264 selfloop transitions, 6 changer transitions 0/315 dead transitions. [2022-12-13 15:21:44,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 315 transitions, 2035 flow [2022-12-13 15:21:44,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:21:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:21:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3746 transitions. [2022-12-13 15:21:44,425 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4631552917903066 [2022-12-13 15:21:44,425 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3746 transitions. [2022-12-13 15:21:44,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3746 transitions. [2022-12-13 15:21:44,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:21:44,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3746 transitions. [2022-12-13 15:21:44,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 624.3333333333334) internal successors, (3746), 6 states have internal predecessors, (3746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:44,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:44,434 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:44,434 INFO L175 Difference]: Start difference. First operand has 157 places, 140 transitions, 645 flow. Second operand 6 states and 3746 transitions. [2022-12-13 15:21:44,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 315 transitions, 2035 flow [2022-12-13 15:21:46,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 315 transitions, 2026 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:21:46,127 INFO L231 Difference]: Finished difference. Result has 157 places, 139 transitions, 648 flow [2022-12-13 15:21:46,127 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=648, PETRI_PLACES=157, PETRI_TRANSITIONS=139} [2022-12-13 15:21:46,128 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -19 predicate places. [2022-12-13 15:21:46,128 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 139 transitions, 648 flow [2022-12-13 15:21:46,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.1666666666666) internal successors, (3583), 6 states have internal predecessors, (3583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:46,128 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:21:46,128 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:46,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 15:21:46,128 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:21:46,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:46,129 INFO L85 PathProgramCache]: Analyzing trace with hash -902485129, now seen corresponding path program 1 times [2022-12-13 15:21:46,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:46,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896207513] [2022-12-13 15:21:46,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:46,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:21:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:21:46,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:21:46,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896207513] [2022-12-13 15:21:46,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896207513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:21:46,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:21:46,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:21:46,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226890825] [2022-12-13 15:21:46,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:21:46,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:21:46,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:21:46,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:21:46,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:21:47,048 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1348 [2022-12-13 15:21:47,049 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 139 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:47,049 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:21:47,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1348 [2022-12-13 15:21:47,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:03,571 INFO L130 PetriNetUnfolder]: 99817/175666 cut-off events. [2022-12-13 15:22:03,571 INFO L131 PetriNetUnfolder]: For 204318/204565 co-relation queries the response was YES. [2022-12-13 15:22:05,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462031 conditions, 175666 events. 99817/175666 cut-off events. For 204318/204565 co-relation queries the response was YES. Maximal size of possible extension queue 2663. Compared 1669843 event pairs, 69549 based on Foata normal form. 16/171445 useless extension candidates. Maximal degree in co-relation 462003. Up to 113202 conditions per place. [2022-12-13 15:22:05,501 INFO L137 encePairwiseOnDemand]: 1342/1348 looper letters, 260 selfloop transitions, 5 changer transitions 0/310 dead transitions. [2022-12-13 15:22:05,501 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 310 transitions, 2000 flow [2022-12-13 15:22:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:22:05,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:22:05,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3737 transitions. [2022-12-13 15:22:05,506 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46204253214638974 [2022-12-13 15:22:05,506 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3737 transitions. [2022-12-13 15:22:05,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3737 transitions. [2022-12-13 15:22:05,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:05,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3737 transitions. [2022-12-13 15:22:05,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 622.8333333333334) internal successors, (3737), 6 states have internal predecessors, (3737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:05,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:05,516 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:05,516 INFO L175 Difference]: Start difference. First operand has 157 places, 139 transitions, 648 flow. Second operand 6 states and 3737 transitions. [2022-12-13 15:22:05,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 310 transitions, 2000 flow [2022-12-13 15:22:06,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 310 transitions, 1972 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:22:06,446 INFO L231 Difference]: Finished difference. Result has 156 places, 138 transitions, 644 flow [2022-12-13 15:22:06,446 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=644, PETRI_PLACES=156, PETRI_TRANSITIONS=138} [2022-12-13 15:22:06,446 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -20 predicate places. [2022-12-13 15:22:06,446 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 138 transitions, 644 flow [2022-12-13 15:22:06,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:06,447 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:06,447 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:06,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 15:22:06,447 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:22:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1437070283, now seen corresponding path program 1 times [2022-12-13 15:22:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:06,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294007434] [2022-12-13 15:22:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:22:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:06,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294007434] [2022-12-13 15:22:06,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294007434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:06,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:06,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:22:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788031807] [2022-12-13 15:22:06,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:06,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:22:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:22:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:22:07,205 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1348 [2022-12-13 15:22:07,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 138 transitions, 644 flow. Second operand has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:07,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:07,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1348 [2022-12-13 15:22:07,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:23,212 INFO L130 PetriNetUnfolder]: 100550/169661 cut-off events. [2022-12-13 15:22:23,212 INFO L131 PetriNetUnfolder]: For 202422/202668 co-relation queries the response was YES. [2022-12-13 15:22:24,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458247 conditions, 169661 events. 100550/169661 cut-off events. For 202422/202668 co-relation queries the response was YES. Maximal size of possible extension queue 2580. Compared 1525718 event pairs, 68218 based on Foata normal form. 14/167096 useless extension candidates. Maximal degree in co-relation 458219. Up to 111087 conditions per place. [2022-12-13 15:22:24,892 INFO L137 encePairwiseOnDemand]: 1342/1348 looper letters, 234 selfloop transitions, 6 changer transitions 0/283 dead transitions. [2022-12-13 15:22:24,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 283 transitions, 1779 flow [2022-12-13 15:22:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:22:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:22:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3736 transitions. [2022-12-13 15:22:24,897 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4619188921859545 [2022-12-13 15:22:24,897 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3736 transitions. [2022-12-13 15:22:24,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3736 transitions. [2022-12-13 15:22:24,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:24,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3736 transitions. [2022-12-13 15:22:24,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 622.6666666666666) internal successors, (3736), 6 states have internal predecessors, (3736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:24,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:24,906 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:24,906 INFO L175 Difference]: Start difference. First operand has 156 places, 138 transitions, 644 flow. Second operand 6 states and 3736 transitions. [2022-12-13 15:22:24,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 283 transitions, 1779 flow [2022-12-13 15:22:25,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 283 transitions, 1753 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:22:26,001 INFO L231 Difference]: Finished difference. Result has 155 places, 137 transitions, 644 flow [2022-12-13 15:22:26,001 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=644, PETRI_PLACES=155, PETRI_TRANSITIONS=137} [2022-12-13 15:22:26,001 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -21 predicate places. [2022-12-13 15:22:26,001 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 137 transitions, 644 flow [2022-12-13 15:22:26,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:26,002 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:26,002 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:26,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 15:22:26,002 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2022-12-13 15:22:26,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:26,002 INFO L85 PathProgramCache]: Analyzing trace with hash 869538399, now seen corresponding path program 1 times [2022-12-13 15:22:26,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:26,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512279508] [2022-12-13 15:22:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:26,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:22:26,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:26,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512279508] [2022-12-13 15:22:26,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512279508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:26,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:26,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:22:26,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813722538] [2022-12-13 15:22:26,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:26,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:22:26,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:26,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:22:26,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:22:26,715 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 601 out of 1348 [2022-12-13 15:22:26,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 137 transitions, 644 flow. Second operand has 6 states, 6 states have (on average 605.0) internal successors, (3630), 6 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:26,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:26,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 601 of 1348 [2022-12-13 15:22:26,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:40,523 INFO L130 PetriNetUnfolder]: 82775/148892 cut-off events. [2022-12-13 15:22:40,523 INFO L131 PetriNetUnfolder]: For 176860/177104 co-relation queries the response was YES. [2022-12-13 15:22:41,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397212 conditions, 148892 events. 82775/148892 cut-off events. For 176860/177104 co-relation queries the response was YES. Maximal size of possible extension queue 2386. Compared 1420212 event pairs, 68614 based on Foata normal form. 14/144862 useless extension candidates. Maximal degree in co-relation 397184. Up to 112976 conditions per place. [2022-12-13 15:22:41,663 INFO L137 encePairwiseOnDemand]: 1343/1348 looper letters, 0 selfloop transitions, 0 changer transitions 216/216 dead transitions. [2022-12-13 15:22:41,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 216 transitions, 1450 flow [2022-12-13 15:22:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:22:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:22:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3712 transitions. [2022-12-13 15:22:41,667 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4589515331355094 [2022-12-13 15:22:41,667 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3712 transitions. [2022-12-13 15:22:41,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3712 transitions. [2022-12-13 15:22:41,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:41,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3712 transitions. [2022-12-13 15:22:41,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 618.6666666666666) internal successors, (3712), 6 states have internal predecessors, (3712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:41,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:41,675 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1348.0) internal successors, (9436), 7 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:41,675 INFO L175 Difference]: Start difference. First operand has 155 places, 137 transitions, 644 flow. Second operand 6 states and 3712 transitions. [2022-12-13 15:22:41,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 216 transitions, 1450 flow [2022-12-13 15:22:42,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 216 transitions, 1438 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:22:42,595 INFO L231 Difference]: Finished difference. Result has 154 places, 0 transitions, 0 flow [2022-12-13 15:22:42,595 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1348, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=154, PETRI_TRANSITIONS=0} [2022-12-13 15:22:42,595 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -22 predicate places. [2022-12-13 15:22:42,595 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 0 transitions, 0 flow [2022-12-13 15:22:42,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 605.0) internal successors, (3630), 6 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:22:42,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (119 of 120 remaining) [2022-12-13 15:22:42,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (118 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (117 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (116 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (115 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (114 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (113 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (112 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (111 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (108 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (107 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (106 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (105 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (104 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (103 of 120 remaining) [2022-12-13 15:22:42,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (102 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (101 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (100 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (99 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (98 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (97 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (96 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (95 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (94 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (93 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (92 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (91 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (90 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (89 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (88 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (87 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (86 of 120 remaining) [2022-12-13 15:22:42,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (85 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (84 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (83 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (82 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (81 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (80 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (79 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (78 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (77 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (76 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (75 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (74 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (73 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (72 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (71 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (70 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (69 of 120 remaining) [2022-12-13 15:22:42,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (68 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (67 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (66 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (65 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (64 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (63 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (62 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (61 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (60 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (59 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (58 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (57 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (56 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (55 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (54 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (53 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (52 of 120 remaining) [2022-12-13 15:22:42,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (51 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (50 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (49 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (48 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (47 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (46 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (45 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (44 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (43 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (42 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (41 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (40 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (39 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 120 remaining) [2022-12-13 15:22:42,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (27 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (26 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (25 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 120 remaining) [2022-12-13 15:22:42,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (15 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (14 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (13 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 120 remaining) [2022-12-13 15:22:42,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 120 remaining) [2022-12-13 15:22:42,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 15:22:42,605 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:42,609 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:22:42,609 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:22:42,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:22:42 BasicIcfg [2022-12-13 15:22:42,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:22:42,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:22:42,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:22:42,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:22:42,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:17:30" (3/4) ... [2022-12-13 15:22:42,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:22:42,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 15:22:42,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 15:22:42,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 15:22:42,623 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-12-13 15:22:42,623 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:22:42,623 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:22:42,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:22:42,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:22:42,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:22:42,660 INFO L158 Benchmark]: Toolchain (without parser) took 313692.77ms. Allocated memory was 119.5MB in the beginning and 9.8GB in the end (delta: 9.7GB). Free memory was 77.5MB in the beginning and 866.4MB in the end (delta: -788.9MB). Peak memory consumption was 8.9GB. Max. memory is 16.1GB. [2022-12-13 15:22:42,661 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:22:42,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.44ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 63.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:22:42,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.32ms. Allocated memory is still 119.5MB. Free memory was 63.9MB in the beginning and 60.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:22:42,661 INFO L158 Benchmark]: Boogie Preprocessor took 64.39ms. Allocated memory is still 119.5MB. Free memory was 60.4MB in the beginning and 89.0MB in the end (delta: -28.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-12-13 15:22:42,661 INFO L158 Benchmark]: RCFGBuilder took 767.45ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 88.9MB in the beginning and 71.2MB in the end (delta: 17.7MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-13 15:22:42,661 INFO L158 Benchmark]: TraceAbstraction took 312473.36ms. Allocated memory was 144.7MB in the beginning and 9.8GB in the end (delta: 9.7GB). Free memory was 71.2MB in the beginning and 872.7MB in the end (delta: -801.5MB). Peak memory consumption was 9.9GB. Max. memory is 16.1GB. [2022-12-13 15:22:42,662 INFO L158 Benchmark]: Witness Printer took 48.51ms. Allocated memory is still 9.8GB. Free memory was 872.7MB in the beginning and 866.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 15:22:42,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.44ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 63.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.32ms. Allocated memory is still 119.5MB. Free memory was 63.9MB in the beginning and 60.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.39ms. Allocated memory is still 119.5MB. Free memory was 60.4MB in the beginning and 89.0MB in the end (delta: -28.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 767.45ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 88.9MB in the beginning and 71.2MB in the end (delta: 17.7MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 312473.36ms. Allocated memory was 144.7MB in the beginning and 9.8GB in the end (delta: 9.7GB). Free memory was 71.2MB in the beginning and 872.7MB in the end (delta: -801.5MB). Peak memory consumption was 9.9GB. Max. memory is 16.1GB. * Witness Printer took 48.51ms. Allocated memory is still 9.8GB. Free memory was 872.7MB in the beginning and 866.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.1s, 593 PlacesBefore, 176 PlacesAfterwards, 613 TransitionsBefore, 181 TransitionsAfterwards, 35640 CoEnabledTransitionPairs, 10 FixpointIterations, 462 TrivialSequentialCompositions, 159 ConcurrentSequentialCompositions, 52 TrivialYvCompositions, 16 ConcurrentYvCompositions, 15 ChoiceCompositions, 704 TotalNumberOfCompositions, 218839 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58011, independent: 55885, independent conditional: 0, independent unconditional: 55885, dependent: 2126, dependent conditional: 0, dependent unconditional: 2126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19499, independent: 19264, independent conditional: 0, independent unconditional: 19264, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 58011, independent: 36621, independent conditional: 0, independent unconditional: 36621, dependent: 1891, dependent conditional: 0, dependent unconditional: 1891, unknown: 19499, unknown conditional: 0, unknown unconditional: 19499] , Statistics on independence cache: Total cache size (in pairs): 2791, Positive cache size: 2647, Positive conditional cache size: 0, Positive unconditional cache size: 2647, Negative cache size: 144, Negative conditional cache size: 0, Negative unconditional cache size: 144, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 804 locations, 120 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 312.3s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 254.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 54.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8265 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5214 mSDsluCounter, 1543 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1111 mSDsCounter, 2420 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15741 IncrementalHoareTripleChecker+Invalid, 18161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2420 mSolverCounterUnsat, 432 mSDtfsCounter, 15741 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=648occurred in iteration=22, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 1624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 17/17 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:22:42,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a605f29a-1fb7-49d7-a8fb-30d6cf940a89/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE